Date: Mon, 17 Jan 2011 22:56:36 +0100 From: Roman Divacky <rdivacky@freebsd.org> To: Alexander Leidinger <Alexander@Leidinger.net> Cc: freebsd-emulation@freebsd.org, Andrew Gallatin <gallatin@cs.duke.edu> Subject: Re: epoll workaround for linux java? Message-ID: <20110117215636.GA86845@freebsd.org> In-Reply-To: <20110117132443.12425wsnnktdbvk0@webmail.leidinger.net> References: <4D3363A5.9000207@cs.duke.edu> <20110117132443.12425wsnnktdbvk0@webmail.leidinger.net>
next in thread | previous in thread | raw e-mail | index | archive | help
On Mon, Jan 17, 2011 at 01:24:43PM +0100, Alexander Leidinger wrote: > Quoting Andrew Gallatin <gallatin@cs.duke.edu> (from Sun, 16 Jan 2011 > 16:31:17 -0500): > > >Hi, > > > >I'm trying to run SageTV, which is a commercial, closed source > >linux media server on -current. It is a Java based application > >that uses "native" linux JNI libs for accessing video tuner > >cards, so unfortunately I must run the Linux JVM, and not > >a native JVM. > > > >I've installed the default linux_base-f10, and the > >linux-sun-jdk-1.6.0.22. > > > >When I start the application, it semi-works, but the > >clients cannot connect. Using kdump && linux-ktrace, > >I think I've narrowed the problem to: > > > > > > 9613 java CALL linux_epoll_create > > 9613 java RET linux_epoll_create -1 errno 78 Function not > > implemented > > 9613 java CALL gettimeofday(0x513c9ea0,0) > > 9613 java RET gettimeofday 0 > > 9613 java CALL gettimeofday(0x513c9eb4,0) > > 9613 java RET gettimeofday 0 > > 9613 java CALL write(0x4,0x513c7cb0,0x78) > > 9613 java GIO fd 4 wrote 120 bytes > > "Sun 1/16 12:05:57.648 [MiniUIServer@14b5f4a] MiniUI > >ServerSocket died from:java.io.IOException: Function not impleme\ > > nted" > > > > > >I've done some googling, and it appears that epoll support > >was worked on as a SOC project in 2007 by rdivacky. Eg: > >http://p4db.freebsd.org/fileLogView.cgi?FSPC=//depot/projects/soc2007/rdivacky/linux_epoll/sys/compat/linux/linux_epoll.c > >Were there problems with this code? > > AFAIR it's not complete... Roman (CCed)? the epoll itself basically worked but it didnt work over fork, ie. it was useless I dont have time nor motivation to finish that :( noone else seems to have picked that work up, sorry
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20110117215636.GA86845>